PSYC23H3 Lecture 9: Lecture 9 PSYC23
Document Summary
One third of canadians have suffered child abuse. Prevalence of child abuse in canada: physical abuse: slapped, hit or spanked, pushed, kicked etc. Sexual abuse: females are exposed 3 times more than males. Smaller percentages for people are exposed to multiple-abuse. Scars that won"t heal: the neurobiology of child abuse (teicher, 2002: gross structures, brainstorming, microstructues. Reduction in left hippocampus (adults but not adolescents) Reduction in left amygdala (both for adults and adolescents) Eeg coherence: use eeg to record electrical activity of brain. Score and measure the coherence of neuron firing simultaneously vs asynchronously. Child more abused > developmental index of eeg > brain was less matured: abnormally high coherence limited development. Child abuse, antisocial behavior, genetics (caspi et al. , 2002: monoamine oxidase a (maoa) Gene that codes for an enzyme that metabolizes seratonin, and epinephrine) and renders them inactive: hypothesis: child abuse. neurotransmitters (dopamine,
